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Microdroplet-guided intercalation and deterministic delamination towards intelligent rolling origami
Borui Xu1, Xinyuan Zhang1, Ziao Tian2
1Department of Materials Science, State Key Laboratory of ASIC and Systems, Fudan University, Shanghai, China.
Nature Communications
|November 6, 2019
Summary
We developed a novel liquid-triggered rolling origami method for massive, intelligent production of artificial microstructures. This versatile technique enables precise control over material choice and geometry for diverse applications.
Area of Science:
- Materials Science
- Nanotechnology
- Mechanical Engineering
Background:
- Origami-inspired microstructures are crucial for mechanics, optics, and electronics.
- Existing fabrication methods often lack scalability and precise control.
Purpose of the Study:
- To propose a general strategy for on-demand and spontaneous rolling origami of artificial microstructures.
- To enable massive and intelligent production of microstructures with designable geometries.
Main Methods:
- Utilizing van der Waals interactions between deposited nanomembranes and a substrate.
- Triggering nanomembrane rolling via liquid droplet intercalation and controlled motion.
- Leveraging liquid-triggered delamination for material versatility and directional control.
Main Results:
- Achieved massive, spontaneous rolling of nanomembranes using microdroplets.
- Demonstrated precise control over rolling direction and microstructure geometry.
- Successfully applied the constructed microstructures in vapor sensing, microresonators, micromotors, and microactuators.
Conclusions:
- This liquid-triggered delamination method offers a simple, massive, low-cost, and versatile approach for constructing rolling microstructures.
- The technique facilitates intelligent design and fabrication for both fundamental research and practical applications.
